856436-38-9 Benzenesulfonic acid,3,4-bis[[5-[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)oxy]pentyl]oxy]- 85643-77-2 2,5-Methano-2H-indeno(4,5-d)oxepin-4,6,10(1H)-trione, 5,5a,10a,10b-tetrahydro-1-hydroxy-5a,8,10a,11-tetramethyl-, (1R,2R,5S,5aR,10aR,10bS,11R)-